55337197 has 2 divisors, whose sum is σ = 55337198. Its totient is φ = 55337196.

The previous prime is 55337147. The next prime is 55337203. The reversal of 55337197 is 79173355.

55337197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32046921 + 23290276 = 5661^2 + 4826^2 .

It is a cyclic number.

It is not a de Polignac number, because 55337197 - 2⁷ = 55337069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55337147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27668598 + 27668599.

It is an arithmetic number, because the mean of its divisors is an integer number (27668599).

Almost surely, 2^55337197 is an apocalyptic number.

It is an amenable number.

55337197 is a deficient number, since it is larger than the sum of its proper divisors (1).

55337197 is an equidigital number, since it uses as much as digits as its factorization.

55337197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 99225, while the sum is 40.

The square root of 55337197 is about 7438.8975661720. The cubic root of 55337197 is about 381.0708414875.

The spelling of 55337197 in words is "fifty-five million, three hundred thirty-seven thousand, one hundred ninety-seven".